/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;

import entity.Utenti;
import facade.UtentiFacadeLocal;
import java.io.IOException;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author giosk
 */
public class IscrizioneServlet extends HttpServlet {

    @EJB
    private UtentiFacadeLocal utentiFacade;

    /** 
     * Servlet principale che gestisce la richiesta di Iscrizione controllando
     * eventuali incongruenze.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException se avviene un errore a livello di servlet
     * @throws IOException se avviene un errore I/O
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try {
            List<Utenti> utenti = utentiFacade.findAll();
            boolean check = false;
            for (int i = 0; i < utenti.size(); i++) {
                if (utenti.get(i).getLogin().equals(request.getParameter("login"))) {
                    check = true;
                    break;
                }
            }
            if (check) {
                request.setAttribute("err", "Username già in uso.");
            } else {
                String pwd = request.getParameter("pwd");
                String log = request.getParameter("login");
                String nom = request.getParameter("nome");
                String cogn = request.getParameter("cognome");
                String em = request.getParameter("email");
                Utenti g = new Utenti();
                g.setLogin(log);
                g.setPwd(pwd);
                g.setNome(nom);
                g.setCognome(cogn);
                g.setMail(em);
                //out.println("prima di facade");
                utentiFacade.create(g);
                request.setAttribute("msg", "Registrazione effettuata.");
            }
        } catch (Exception e) {
            request.setAttribute("err", "Errore nella registrazione.");
        } finally {
            RequestDispatcher rq = request.getRequestDispatcher("/index.jsp");
            rq.forward(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
